-
公开(公告)号:US20120126913A1
公开(公告)日:2012-05-24
申请号:US13364075
申请日:2012-02-01
申请人: Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
发明人: Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
CPC分类号: H03H9/568 , H03H9/605 , H03H9/6483 , H03H9/706 , H03H9/725
摘要: A duplexer with a reduced filter loss is provided. The duplexer includes two or more filters F1 and F2 that are connected to a common terminal and that have different passbands. At least one of the filters F1 and F2 includes a plurality of series resonators S1 to Sn connected in series to a path between an input terminal and an output terminal of the filter, and parallel resonators P1 to Pm connected in parallel to the above-mentioned path. An inductance L1 is connected in parallel to at least one of the series resonators, and the series resonator S1 having the inductance L1 connected in parallel thereto is divided into a plurality of resonators S11 to S13 connected in series.
摘要翻译: 提供了一种降低滤波器损耗的双工器。 双工器包括连接到公共端并且具有不同通带的两个或更多个滤波器F1和F2。 滤波器F1和F2中的至少一个包括与滤波器的输入端子和输出端子之间的路径串联连接的多个串联谐振器S1至Sn,以及与上述并联连接的并联谐振器P1至Pm 路径。 电感L1与串联谐振器中的至少一个并联连接,具有并联连接的电感L1的串联谐振器S1被分成串联连接的多个谐振器S11〜S13。
-
公开(公告)号:US07884527B2
公开(公告)日:2011-02-08
申请号:US11259347
申请日:2005-10-27
申请人: Jun Tsutsumi , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
发明人: Jun Tsutsumi , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
IPC分类号: H01L41/047
CPC分类号: H03H9/02149 , H03H9/02118 , H03H9/132 , H03H9/174 , H03H2003/0428
摘要: A piezoelectric thin-film resonator includes: a substrate; a lower electrode that is formed on the substrate; a piezoelectric film that is formed on the lower electrode and the substrate; and an upper electrode that is formed on the piezoelectric film, with the piezoelectric film being partially interposed between the lower electrode and the upper electrode facing each other. In this piezoelectric thin-film resonator, at least a part of the outer periphery of the piezoelectric film interposed between the lower electrode and the upper electrode overlaps the outer periphery of the region formed by the upper electrode and the lower electrode facing each other.
摘要翻译: 压电薄膜谐振器包括:基板; 形成在基板上的下电极; 形成在下电极和基板上的压电膜; 以及形成在所述压电膜上的上电极,所述压电膜被部分插入在所述下电极和所述上电极彼此面对之间。 在该压电薄膜谐振器中,夹在下电极和上电极之间的压电薄膜的外周的至少一部分与由上电极和下电极相对的区域的外周重叠。
-
公开(公告)号:US07579761B2
公开(公告)日:2009-08-25
申请号:US11430184
申请日:2006-05-09
申请人: Tokihiro Nishihara , Tsuyoshi Yokoyama , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Tokihiro Nishihara , Tsuyoshi Yokoyama , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
IPC分类号: H01L41/047
摘要: A piezoelectric thin-film resonator includes: a lower electrode that is formed on a substrate; a piezoelectric film that is formed on the lower electrode; and an upper electrode that is formed on the piezoelectric film. In the piezoelectric thin-film resonator, the upper electrode has a greater film thickness than the lower electrode.
摘要翻译: 压电薄膜谐振器包括:形成在基板上的下电极; 形成在下电极上的压电膜; 以及形成在压电膜上的上电极。 在压电薄膜谐振器中,上电极具有比下电极更大的膜厚度。
-
公开(公告)号:US07498899B2
公开(公告)日:2009-03-03
申请号:US11236861
申请日:2005-09-28
申请人: Masafumi Iwaki , Tokihiro Nishihara , Jun Tsutsumi , Shinji Taniguchi , Takeshi Sakashita , Tsuyoshi Yokoyama , Masanori Ueda , Tsutomu Miyashita
发明人: Masafumi Iwaki , Tokihiro Nishihara , Jun Tsutsumi , Shinji Taniguchi , Takeshi Sakashita , Tsuyoshi Yokoyama , Masanori Ueda , Tsutomu Miyashita
CPC分类号: H03H9/564 , H03H7/18 , H03H7/46 , H03H9/0571 , H03H9/706
摘要: A duplexer includes: first and second filters including film bulk acoustic resonators (FBARs) arranged in a ladder form; first and second integrated-passive devices (IPDs) provided between a common terminal and the first and second filters; and a substrate on which the first and second filters and the first and second IPDs are mounted. The substrate includes conductive patterns that realize inductances connected between the first and second filters and ground. The first and second IPDs includes inductors connected to the first and second filters.
摘要翻译: 双工器包括:第一和第二滤波器,包括以梯形布置的薄膜体声共振器(FBAR); 提供在公共端子与第一和第二滤波器之间的第一和第二集成无源器件(IPD); 以及其上安装有第一和第二滤光器以及第一和第二IPD的基板。 衬底包括实现连接在第一和第二滤波器和地之间的电感的导电图案。 第一和第二IPD包括连接到第一和第二滤波器的电感器。
-
公开(公告)号:US20070252476A1
公开(公告)日:2007-11-01
申请号:US11790806
申请日:2007-04-27
申请人: Masafumi Iwaki , Jun Tsutsumi , Tokihiro Nishihara , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masanori Ueda , Go Endo
发明人: Masafumi Iwaki , Jun Tsutsumi , Tokihiro Nishihara , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masanori Ueda , Go Endo
IPC分类号: H01L41/00 , H01L41/047
摘要: A piezoelectric thin-film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on the piezoelectric film so as to have a portion that overlaps the lower electrode across the piezoelectric film. At least a part of an outer end of the piezoelectric film is further in than an outer end of an opposing region in which the upper and lower electrodes overlap each other across the piezoelectric film.
摘要翻译: 压电薄膜谐振器包括基板,设置在基板上的下电极,设置在下电极上的压电薄膜和设置在压电薄膜上的上电极,以便具有与下电极重叠的部分跨越压电 电影。 压电薄膜的外端部的至少一部分进一步位于上下电极跨越压电薄膜的相对区域的外端。
-
公开(公告)号:US20060255693A1
公开(公告)日:2006-11-16
申请号:US11430184
申请日:2006-05-09
申请人: Tokihiro Nishihara , Tsuyoshi Yokoyama , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Tokihiro Nishihara , Tsuyoshi Yokoyama , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
IPC分类号: H01L41/00
摘要: A piezoelectric thin-film resonator includes: a lower electrode that is formed on a substrate; a piezoelectric film that is formed on the lower electrode; and an upper electrode that is formed on the piezoelectric film. In the piezoelectric thin-film resonator, the upper electrode has a greater film thickness than the lower electrode.
-
公开(公告)号:US20060244553A1
公开(公告)日:2006-11-02
申请号:US11413104
申请日:2006-04-28
申请人: Tsuyoshi Yokoyama , Tokihiro Nishihara , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Tsuyoshi Yokoyama , Tokihiro Nishihara , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
IPC分类号: H03H9/56
CPC分类号: H03H9/173 , H03H3/04 , H03H9/132 , H03H9/174 , H03H2003/0428 , H03H2003/0457
摘要: A piezoelectric thin-film resonator includes a lower electrode provided on a substrate, a piezoelectric thin film provided on the lower electrode, and an upper electrode provided on the piezoelectric thin film. A membrane region is defined by a region where the upper electrode and the lower electrode overlap each other to sandwich the piezoelectric thin film therebetween and has an elliptical shape, and the lower electrode is also provided at an outer side of the membrane region in a region in which neither an extraction electrode of the upper electrode nor an extraction electrode of the lower electrode is provided.
摘要翻译: 压电薄膜谐振器包括设置在基板上的下电极,设置在下电极上的压电薄膜和设置在压电薄膜上的上电极。 膜区域由上电极和下电极彼此重叠的区域限定,以夹在其间的压电薄膜并具有椭圆形状,并且下电极也设置在膜区域的外侧,区域 其中不设置上电极的引出电极和下电极的引出电极。
-
公开(公告)号:US20060091764A1
公开(公告)日:2006-05-04
申请号:US11259347
申请日:2005-10-27
申请人: Jun Tsutsumi , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
发明人: Jun Tsutsumi , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
IPC分类号: H01L41/08
CPC分类号: H03H9/02149 , H03H9/02118 , H03H9/132 , H03H9/174 , H03H2003/0428
摘要: A piezoelectric thin-film resonator includes: a substrate; a lower electrode that is formed on the substrate; a piezoelectric film that is formed on the lower electrode and the substrate; and an upper electrode that is formed on the piezoelectric film, with the piezoelectric film being partially interposed between the lower electrode and the upper electrode facing each other. In this piezoelectric thin-film resonator, at least a part of the outer periphery of the piezoelectric film interposed between the lower electrode and the upper electrode overlaps the outer periphery of the region formed by the upper electrode and the lower electrode facing each other.
摘要翻译: 压电薄膜谐振器包括:基板; 形成在基板上的下电极; 形成在下电极和基板上的压电膜; 以及形成在所述压电膜上的上电极,所述压电膜被部分插入在所述下电极和所述上电极彼此面对之间。 在该压电薄膜谐振器中,夹在下电极和上电极之间的压电薄膜的外周的至少一部分与由上电极和下电极相对的区域的外周重叠。
-
公开(公告)号:US09035722B2
公开(公告)日:2015-05-19
申请号:US13454940
申请日:2012-04-24
申请人: Motoaki Hara , Shogo Inoue , Jun Tsutsumi , Masafumi Iwaki
发明人: Motoaki Hara , Shogo Inoue , Jun Tsutsumi , Masafumi Iwaki
CPC分类号: H03H9/542 , H03H9/0023 , H03H9/0566 , H03H9/725
摘要: A ladder filter includes at least one series resonator connected in series between an input terminal and an output terminal, at least one parallel resonator connected in parallel with the at least one series resonator, an additional resonator connected in series between the at least one series resonator and one of the input terminal and the output terminal, and an inductor connected in series to the additional resonator, the additional resonator having a resonance frequency higher than an anti-resonance frequency of the at least one series resonator.
摘要翻译: 梯形滤波器包括串联连接在输入端和输出端之间的至少一个串联谐振器,与至少一个串联谐振器并联连接的至少一个并联谐振器,串联连接在至少一个串联谐振器 以及输入端子和输出端子之一以及与附加谐振器串联连接的电感器,所述附加谐振器的谐振频率高于所述至少一个串联谐振器的反谐振频率。
-
公开(公告)号:US08929260B2
公开(公告)日:2015-01-06
申请号:US13472082
申请日:2012-05-15
申请人: Jun Tsutsumi
发明人: Jun Tsutsumi
摘要: A communication module includes: a plurality of receiving filters that are connected between an antenna terminal and a receiving terminal and have a receive band different from each other; and a passive circuit that is commonly connected to at least two of the plurality of receiving filters and makes a receive band of one of said at least two of the plurality of receiving filters suppressed when making another receive band of said at least two of the plurality of receiving filters transitable, wherein receiving terminals of said at least two of the plurality of receiving filters are commonalized through the passive circuit.
-
-
-
-
-
-
-
-
-